An air carrier large transport climbed in response to a TCASII command.

Attributes
ACN	230395
Time
Date	199212
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : etx
State Reference	PA
Altitude	msl bound lower : 28000 msl bound upper : 28800
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zny
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : instrument pilot : flight engineer pilot : atp pilot : commercial
Experience	flight time last 90 days : 240 flight time total : 7000 flight time type : 2000
ASRS Report	230395
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : took evasive action flight crew : returned to intended course or assigned course
Consequence	Other
Miss Distance	vertical : 1000
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

En route to pit from ewr air carrier flight X responded to a TCASII RA to 'climb.' traffic conflict was climbing towards us from a 10 O'clock position and was advised to level off at FL270. We were level at FL280 when we got the command to 'climb' from TCASII. We climbed to 28800 ft when we received the 'clear of conflict' advisory. We then resumed our assigned altitude of FL280.

Original NASA ASRS Text

Title: AN ACR LGT CLBED IN RESPONSE TO A TCASII COMMAND.

Narrative: ENRTE TO PIT FROM EWR ACR FLT X RESPONDED TO A TCASII RA TO 'CLB.' TFC CONFLICT WAS CLBING TOWARDS US FROM A 10 O'CLOCK POS AND WAS ADVISED TO LEVEL OFF AT FL270. WE WERE LEVEL AT FL280 WHEN WE GOT THE COMMAND TO 'CLB' FROM TCASII. WE CLBED TO 28800 FT WHEN WE RECEIVED THE 'CLR OF CONFLICT' ADVISORY. WE THEN RESUMED OUR ASSIGNED ALT OF FL280.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.